CN216974938U - Steam turbine capable of reducing starting time - Google Patents
Steam turbine capable of reducing starting time Download PDFInfo
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- CN216974938U CN216974938U CN202121702938.XU CN202121702938U CN216974938U CN 216974938 U CN216974938 U CN 216974938U CN 202121702938 U CN202121702938 U CN 202121702938U CN 216974938 U CN216974938 U CN 216974938U
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- steam turbine
- shaft seal
- steam
- connecting pipe
- front shaft
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- 238000005192 partition Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 abstract description 5
- 238000010792 warming Methods 0.000 abstract description 2
- 230000003116 impacting effect Effects 0.000 abstract 1
- 230000009467 reduction Effects 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a steam turbine capable of reducing starting time, which comprises a steam turbine body, a steam turbine body and a steam turbine body, wherein the steam turbine body comprises a front shaft seal, a middle shaft seal arranged in the middle and a rear shaft seal arranged at the rear end; the cylinder comprises a partition plate arranged inside the cylinder and a nozzle arranged inside the partition plate; the drainage component comprises a first connecting pipe which is arranged at the bottom of the front shaft seal and is communicated with the front shaft seal, and a second connecting pipe which is arranged at the bottom of the front shaft seal and is communicated with the front shaft seal; and the drainage assembly comprises a protection box arranged below the first connecting pipe. The device is provided with the drainage component, automatic drainage can be performed through the drainage device in the drainage component, the temperature inside the cylinder can be rapidly increased, shaft seal steam supply is increased to accelerate cylinder warming, favorable conditions are created for starting and impacting of the steam turbine, and the problem of difficult cold start caused by the fact that the cylinder cannot be rapidly warmed is effectively solved.
Description
Technical Field
The utility model relates to the technical field of steam turbines, in particular to a steam turbine capable of reducing starting time.
Background
The steam turbine is a kind of turbomachinery, and is used for converting heat energy of gas and mechanical work into each other. At present, when a steam turbine is started and rushed to rotate, the phenomenon of difficult starting exists, a cylinder cannot be quickly heated, and the problem of difficult cold starting is caused.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract and the title of the application to avoid obscuring the purpose of this section, the abstract and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.
The present invention has been made in view of the above and/or other problems with existing steam turbines that reduce startup time.
Therefore, the utility model aims to solve the problems that the cold start of the steam turbine is difficult, and the cylinder cannot be quickly warmed up, so that the start time is longer.
In order to solve the technical problems, the utility model provides the following technical scheme: a steam turbine capable of reducing starting time comprises a steam turbine body, a steam turbine body and a steam turbine body, wherein the steam turbine body comprises a front shaft seal, a middle shaft seal arranged in the middle and a rear shaft seal arranged at the rear end; the cylinder is arranged on the outer side of the steam turbine body and comprises a partition plate arranged inside the cylinder and a nozzle arranged inside the partition plate; the drainage component is arranged below the front shaft seal and comprises a first connecting pipe arranged at the bottom of the front shaft seal and communicated with the front shaft seal and a second connecting pipe arranged at the bottom of the front shaft seal and communicated with the front shaft seal; and the drainage assembly is arranged below the first connecting pipe, and comprises a protection box arranged below the first connecting pipe and a first drainage pipe arranged at the top of the protection box and communicated with the protection box.
As a preferable aspect of the steam turbine of the present invention, the startup time reduction means includes: the first connecting pipe comprises a connecting flange arranged on the outer side, and one end of the first connecting pipe is communicated with one end of the second connecting pipe.
As a preferable aspect of the steam turbine of the present invention, the startup time reduction step includes: the first connecting pipe further comprises a first manual valve arranged on the outer side and a filter valve arranged on the outer side.
As a preferable aspect of the steam turbine of the present invention, the startup time reduction means includes: the first connecting pipe further comprises a steam trap body arranged on the outer side and a second manual valve arranged on the outer side.
As a preferable aspect of the steam turbine of the present invention, the startup time reduction means includes: the top of the first drainage pipe is communicated with the bottom of the steam trap body.
As a preferable aspect of the steam turbine of the present invention, the startup time reduction means includes: the guard box is including setting up in inside slide bar to and set up in the stopper at slide bar top, the outside of slide bar with the inside sliding fit of guard box.
As a preferable aspect of the steam turbine of the present invention, the startup time reduction means includes: the slide bar is including setting up in the connecting rod in the outside to and set up in the spout of guard box inner wall, the connecting rod with spout sliding fit.
As a preferable aspect of the steam turbine of the present invention, the startup time reduction means includes: the protection box further comprises a floating ball arranged at the bottom of the sliding rod, and the top of the floating ball is fixedly matched with the bottom of the sliding rod.
As a preferable aspect of the steam turbine of the present invention, the startup time reduction means includes: the guard box is still including setting up in the second drain pipe of bottom, the second drain pipe with the guard box intercommunication.
As a preferable aspect of the steam turbine of the present invention, the startup time reduction means includes: the second drain pipe comprises a sealing rubber pad arranged at the top, and the second drain pipe is detachably connected with the sealing rubber pad.
The utility model has the beneficial effects that: according to the utility model, the drainage component is arranged at the front shaft seal in the steam turbine body, automatic drainage can be carried out through the drainage device in the drainage component, condensate water in the first connecting pipe heated by steam is continuously discharged out of a pipeline, the drainage device body can be automatically opened and discharged when meeting the condensate water, high-temperature steam is discharged after the water is discharged, the temperature inside the cylinder at the outer side of the steam turbine body can be rapidly increased, the shaft seal steam supply is increased to accelerate cylinder warming, favorable conditions are further created for the steam turbine to rush and rotate, and the problem of difficult cold starting caused by the fact that the cylinder cannot be rapidly warmed is effectively avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor. Wherein:
Fig. 1 is a block diagram of a steam turbine capable of reducing a start-up time.
FIG. 2 is a block diagram of a steam turbine with reduced startup time.
Fig. 3 is a diagram showing a structure of a steam turbine main body of the steam turbine capable of reducing a start-up time.
FIG. 4 is a block diagram of a front seal and a hydrophobic assembly of a steam turbine that reduces start-up time.
FIG. 5 is another perspective view of a steam turbine steam trap assembly that reduces startup time.
FIG. 6 is a block diagram of a steam turbine discharge assembly that reduces startup time.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures of the present invention are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the present invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 4, a first embodiment of the present invention provides a steam turbine capable of reducing a start-up time, the steam turbine capable of reducing the start-up time includes a steam turbine body 100, a cylinder 200, a drain assembly 300 and a drain assembly 400, the steam turbine body 100 can be conveniently operated by providing the steam turbine body 100 and the cylinder 200, condensed water in steam can be conveniently discharged by providing the drain assembly 300, a temperature in the cylinder can be conveniently and rapidly increased, water in the drain assembly 300 can be conveniently and uniformly discharged by providing the drain assembly 400, and safety is improved.
Specifically, the steam turbine body 100 includes a front shaft seal 101, a middle shaft seal 102 disposed in the middle, and a rear shaft seal 103 disposed at the rear end. By arranging the front shaft seal 101, the middle shaft seal 102 and the rear shaft seal 103 at the front end, the middle end and the rear end of the steam turbine body 100 respectively, outward steam leakage at a high-pressure end and inward air leakage at a steam exhaust end can be reduced, and the economy of the steam turbine body 100 is improved.
Preferably, the cylinder 200, which is disposed outside the steam turbine body 100, includes a partition 201 disposed inside the cylinder 200, and a nozzle 202 disposed inside the partition 201. By arranging the partition 201 and the nozzle 202, the partition 201 and the nozzle 202 function to convert the thermal energy of the steam into the kinetic energy of the high-speed steam flow, so that the high-speed steam flow is ejected from the nozzle 202 in a certain direction.
Preferably, the drainage assembly 300, disposed below the front shaft seal 101, includes a first connecting pipe 301 disposed at the bottom of the front shaft seal 101 and communicated therewith, and a second connecting pipe 302 disposed at the bottom of the front shaft seal 101 and communicated therewith. Through setting up hydrophobic subassembly 300, the accessible is with the inside hot vapor transmission to first connecting pipe 301 that produces of front shaft seal 101, and the inside of getting back to front shaft seal 101 with the inside of rethread second connecting pipe 302 after the comdenstion water discharge that steam produced has improved heating efficiency, conveniently carries out quick warm jar.
Preferably, the drainage assembly 400 is disposed below the first connecting pipe 301, and includes a protection box 401 disposed below the first connecting pipe 301, and a first drainage pipe 402 disposed on the top of the protection box 401 and communicated therewith. Through setting up drainage assembly 400, can arrange the comdenstion water that produces to guard box 401's inside through first drain pipe 402 and handle, can conveniently be with the even discharge of water, go out the water velocity of flow unanimous, improve factor of safety, avoid appearing dangerously.
When the steam turbine is used, the cylinder 200 is arranged on the outer side of the steam turbine body 100, the water draining assembly 300 is connected with the front shaft seal 101 in the steam turbine body 100, hot steam generated in the front shaft seal 101 is discharged through the first connecting pipe 301, the steam and condensed water are separated through the water draining assembly 300, the hot steam is transmitted to the inside of the front shaft seal 101 through the second connecting pipe 302, rapid heating is achieved, the condensed water generated in the water draining assembly 300 is finally and uniformly discharged through the water draining assembly 400, safety is improved, the temperature inside the cylinder 200 on the outer side of the steam turbine body 100 can be rapidly raised, steam supplied by the front shaft seal 101 is increased to accelerate cylinder heating of the cylinder 200, favorable conditions are created for starting and flushing of the steam turbine, and the problem that the cylinder 200 cannot be rapidly heated to cause difficulty in cold starting is effectively avoided.
Example 2
Referring to fig. 4 and 5, a second embodiment of the present invention is based on the previous embodiment.
Specifically, the first connection pipe 301 includes a connection flange 301a disposed at the outer side, and one end of the first connection pipe 301 communicates with one end of the second connection pipe 302. Through setting up flange 301a, can conveniently connect first connecting pipe 301, improve the leakproofness, through communicateing first connecting pipe 301 and second connecting pipe 302, can conveniently be with the steam after handling from the return of second connecting pipe 302.
Preferably, the first connection pipe 301 further includes a first manual valve 301b disposed at the outside, and a filtering valve 301c disposed at the outside. By providing the first manual valve 301b, the user can easily discharge the hot steam in the first pipe 301 to the inside of the strainer valve 301c by opening the first manual valve 301b, and the steam can be filtered by the provided strainer valve 301 c.
Preferably, the first connection pipe 301 further includes a steam trap body 301d disposed at the outer side, and a second manual valve 301e disposed at the outer side. By providing the steam trap body 301d and the second manual valve 301e, the steam and the condensed water can be separated from each other by the steam trap body 301d, the condensed water generated by the steam can be discharged, and the steam separated from the condensed water is transferred to the inside of the second connecting pipe 302 and returned by opening the second manual valve 301 e.
When the steam turbine is used, the cylinder 200 is arranged on the outer side of the steam turbine body 100, the water drainage assembly 300 is connected with the front shaft seal 101 in the steam turbine body 100, hot steam generated in the front shaft seal 101 is discharged through the first connecting pipe 301, the steam is separated from condensed water through the water drainage assembly 300, the hot steam is transmitted to the inside of the front shaft seal 101 through the second connecting pipe 302, rapid heating is achieved, the condensed water generated in the water drainage assembly 300 is finally and uniformly discharged through the water drainage assembly 400, safety is improved, the temperature inside the cylinder 200 on the outer side of the steam turbine body 100 can be rapidly increased, the front shaft seal 101 is enlarged to supply steam to accelerate cylinder heating of the cylinder 200, and favorable conditions are created for starting and flushing of the steam turbine, wherein when the hot steam in the front shaft seal 101 enters the inside of the first connecting pipe 301, the first manual valve 301b is opened, so that the hot steam enters the interior of the filter valve 301c, the steam can be filtered, the hot steam treated by the filter valve 301c enters the interior of the steam trap body 301d, the steam trap body 301d can discharge condensed water in the steam, and finally, the second manual valve 301e is opened, so that the treated hot steam can return to the interior of the front shaft seal 101 through the second connecting pipe 302, and the rapid temperature rise is realized.
Example 3
Referring to FIGS. 5-6, a third embodiment of the present invention is based on the first two embodiments.
Specifically, the top of first drain pipe 402 communicates with the bottom of steam trap body 301 d. By connecting first drain pipe 402 to steam trap body 301 d.
Preferably, the protection box 401 comprises a sliding rod 401a arranged inside and a limiting block 401a-1 arranged on the top of the sliding rod 401a, and the outer side of the sliding rod 401a is in sliding fit with the inside of the protection box 401. Through the arrangement of the sliding rod 401a and the limiting block 401a-1, the sliding rod 401a can conveniently slide in the protective box 401, the remaining movement is convenient, high stability is achieved during movement, and drainage is convenient.
Preferably, the sliding bar 401a includes a connecting rod 401a-2 disposed at an outer side and a sliding groove 401a-3 disposed at an inner wall of the protection box 401, and the connecting rod 401a-2 is slidably engaged with the sliding groove 401 a-3. The connecting rod 401a-2 is arranged on the outer side of the sliding rod 401a, and the sliding groove 401a-3 is formed in one side of the inner wall of the protective box 401, so that the connecting rod 401a-2 can conveniently slide in the sliding groove 401a-3, and the stability of the sliding rod 401a during sliding is improved.
Preferably, the protection box 401 further comprises a floating ball 401b disposed at the bottom of the sliding rod 401a, and the top of the floating ball 401b is fixedly engaged with the bottom of the sliding rod 401 a. Through setting up floater 401b, can conveniently carry out the shutoff through floater 401b to second drain pipe 401c, can conveniently carry out even drainage, improve the life of steam trap body 301 d.
Preferably, the protection box 401 further includes a second drain pipe 401c provided at the bottom, and the second drain pipe 401c communicates with the protection box 401. By providing the second drain pipe 401c, the condensed water in the protection box 401 can be easily drained from the second drain pipe 401 c.
Preferably, the second drain pipe 401c includes a sealing rubber pad 401c-1 disposed at the top, and the second drain pipe 401c is detachably connected to the sealing rubber pad 401 c-1. By arranging the sealing rubber pad 401c-1 at the top of the second drain pipe 401c, the sealing performance can be improved, the condition of high-speed spraying of cold and hot water is avoided, the cold and hot water can be uniformly discharged, the steam trap body 301d can be automatically drained, and the drainage efficiency and the heating efficiency of the cylinder body 200 are improved.
When the steam turbine is used, the cylinder 200 is arranged on the outer side of the steam turbine body 100, the water drainage assembly 300 is connected with the front shaft seal 101 in the steam turbine body 100, hot steam generated in the front shaft seal 101 is discharged through the first connecting pipe 301, the steam is separated from condensed water through the water drainage assembly 300, the hot steam is transmitted to the inside of the front shaft seal 101 through the second connecting pipe 302, rapid heating is achieved, the condensed water generated in the water drainage assembly 300 is finally and uniformly discharged through the water drainage assembly 400, safety is improved, the temperature inside the cylinder 200 on the outer side of the steam turbine body 100 can be rapidly increased, the front shaft seal 101 is enlarged to supply steam to accelerate cylinder heating of the cylinder 200, and favorable conditions are created for starting and flushing of the steam turbine, wherein when the hot steam in the front shaft seal 101 enters the inside of the first connecting pipe 301, the first manual valve 301b is opened, so that the hot steam enters the interior of the filter valve 301c, the steam can be filtered, the hot steam treated by the filter valve 301c enters the interior of the steam trap body 301d again, the steam trap body 301d can discharge condensed water in the steam, finally, the second manual valve 301e is opened, the treated hot steam can return to the interior of the front shaft seal 101 through the second connecting pipe 302, so that rapid temperature rise is realized, the condensed water separated from the steam trap body 301d is discharged into the interior of the protective box 401 through the first water discharge pipe 402, the water level continuously rises at the moment, when the height of the condensed water approaches to the floating ball 401b, the floating ball 401b can float due to the buoyancy, and then the floating ball 401b can move upwards, the sliding rod 401a can be driven to move when the floating ball 401b moves upwards, the connecting rod 401a-2 arranged can also move at the same time, so that the stability of the sliding rod 401a during movement can be improved, and then can break away from the top of second drain pipe 401c with floater 401b, and then the comdenstion water that surpasss the top of second drain pipe 401c can be even discharge, the security has been improved, and when the comdenstion water level dropped to the floater 401b bottom, floater 401b can descend under the action of gravity by oneself, and then can carry out the shutoff with second drain pipe 401c, avoid appearing the water flow rate that second drain pipe 401c flows and differ, cause the condition of user injury easily, the phenomenon of having the start-up difficulty when having the steam turbine to kick-turn on, the cylinder can't warm up the jar fast, lead to the problem of cold starting difficulty, because the activation time is longer, frequently start-up and shut down can't reach parallel condition, material consumption is very severe during the start-up, extravagant also very big problem.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. A steam turbine capable of reducing starting time is characterized in that: comprises the steps of (a) preparing a substrate,
the steam turbine comprises a steam turbine body (100) and a steam turbine body, wherein the steam turbine body comprises a front shaft seal (101), a middle shaft seal (102) arranged in the middle and a rear shaft seal (103) arranged at the rear end;
the cylinder (200) is arranged on the outer side of the steam turbine body (100) and comprises a partition plate (201) arranged inside the cylinder (200) and a nozzle (202) arranged inside the partition plate (201);
the water drainage assembly (300) is arranged below the front shaft seal (101) and comprises a first connecting pipe (301) which is arranged at the bottom of the front shaft seal (101) and communicated with the front shaft seal, and a second connecting pipe (302) which is arranged at the bottom of the front shaft seal (101) and communicated with the front shaft seal; and (c) a second step of,
the drainage assembly (400) is arranged below the first connecting pipe (301), and comprises a protection box (401) arranged below the first connecting pipe (301) and a first drainage pipe (402) arranged at the top of the protection box (401) and communicated with the protection box.
2. The steam turbine of claim 1, wherein the startup time is reduced by: the first connecting pipe (301) comprises a connecting flange (301a) arranged on the outer side, and one end of the first connecting pipe (301) is communicated with one end of the second connecting pipe (302).
3. The steam turbine of claim 2, wherein the startup time is reduced by: the first connecting pipe (301) further comprises a first manual valve (301b) arranged on the outer side and a filter valve (301c) arranged on the outer side.
4. The steam turbine of claim 3, wherein the startup time is reduced by: the first connecting pipe (301) further comprises a steam trap body (301d) arranged on the outer side, and a second manual valve (301e) arranged on the outer side.
5. The steam turbine of claim 4, wherein the start-up time is reduced by: the top of the first drain pipe (402) communicates with the bottom of the steam trap body (301 d).
6. The steam turbine of claim 1, wherein the startup time is reduced by: the protection box (401) comprises a sliding rod (401a) arranged inside and a limiting block (401a-1) arranged at the top of the sliding rod (401a), and the outer side of the sliding rod (401a) is in sliding fit with the inside of the protection box (401).
7. The steam turbine of claim 6, wherein the startup time is reduced by: the sliding rod (401a) comprises a connecting rod (401a-2) arranged on the outer side and a sliding groove (401a-3) arranged on the inner wall of the protection box (401), and the connecting rod (401a-2) is in sliding fit with the sliding groove (401 a-3).
8. The steam turbine of claim 7, wherein the startup time is reduced by: the protection box (401) further comprises a floating ball (401b) arranged at the bottom of the sliding rod (401a), and the top of the floating ball (401b) is fixedly matched with the bottom of the sliding rod (401 a).
9. The steam turbine of claim 8, wherein the startup time is reduced by: the protection box (401) further comprises a second drain pipe (401c) arranged at the bottom, and the second drain pipe (401c) is communicated with the protection box (401).
10. The steam turbine of claim 9, wherein the startup time is reduced by: the second drain pipe (401c) comprises a sealing rubber gasket (401c-1) arranged at the top, and the second drain pipe (401c) is detachably connected with the sealing rubber gasket (401 c-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121702938.XU CN216974938U (en) | 2021-07-26 | 2021-07-26 | Steam turbine capable of reducing starting time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121702938.XU CN216974938U (en) | 2021-07-26 | 2021-07-26 | Steam turbine capable of reducing starting time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216974938U true CN216974938U (en) | 2022-07-15 |
Family
ID=82338046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121702938.XU Expired - Fee Related CN216974938U (en) | 2021-07-26 | 2021-07-26 | Steam turbine capable of reducing starting time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216974938U (en) |
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2021
- 2021-07-26 CN CN202121702938.XU patent/CN216974938U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220715 |